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-rw-r--r--db2/btree/bt_close.c4
-rw-r--r--db2/btree/bt_conv.c22
-rw-r--r--db2/btree/bt_cursor.c76
-rw-r--r--db2/btree/bt_put.c4
-rw-r--r--db2/btree/bt_rec.c13
-rw-r--r--db2/btree/bt_recno.c38
-rw-r--r--db2/btree/btree.src8
-rw-r--r--db2/btree/btree_auto.c14
8 files changed, 112 insertions, 67 deletions
diff --git a/db2/btree/bt_close.c b/db2/btree/bt_close.c
index 7044599dd2..7dd7139c66 100644
--- a/db2/btree/bt_close.c
+++ b/db2/btree/bt_close.c
@@ -47,7 +47,7 @@
#include "config.h"
#ifndef lint
-static const char sccsid[] = "@(#)bt_close.c 10.23 (Sleepycat) 9/2/97";
+static const char sccsid[] = "@(#)bt_close.c 10.24 (Sleepycat) 9/17/97";
#endif /* not lint */
#ifndef NO_SYSTEM_INCLUDES
@@ -150,7 +150,7 @@ __bam_upstat(dbp)
/*
* We use a no-op log call to log the update of the statistics onto the
- * metadata page. The dbp->close() call isn't transaction protected to
+ * metadata page. The Db->close call isn't transaction protected to
* start with, and I'm not sure what undoing a statistics update means,
* anyway.
*/
diff --git a/db2/btree/bt_conv.c b/db2/btree/bt_conv.c
index c9d5d1bc3e..c89493cbed 100644
--- a/db2/btree/bt_conv.c
+++ b/db2/btree/bt_conv.c
@@ -8,7 +8,7 @@
#include "config.h"
#ifndef lint
-static const char sccsid[] = "@(#)bt_conv.c 10.4 (Sleepycat) 9/3/97";
+static const char sccsid[] = "@(#)bt_conv.c 10.5 (Sleepycat) 9/15/97";
#endif /* not lint */
#ifndef NO_SYSTEM_INCLUDES
@@ -21,12 +21,11 @@ static const char sccsid[] = "@(#)bt_conv.c 10.4 (Sleepycat) 9/3/97";
#include "btree.h"
/*
- * __bam_pgin, __bam_pgout --
- * Convert host-specific page layout to/from the host-independent
- * format stored on disk.
+ * __bam_pgin --
+ * Convert host-specific page layout from the host-independent format
+ * stored on disk.
*
* PUBLIC: int __bam_pgin __P((db_pgno_t, void *, DBT *));
- * PUBLIC: int __bam_pgout __P((db_pgno_t, void *, DBT *));
*/
int
__bam_pgin(pg, pp, cookie)
@@ -39,9 +38,17 @@ __bam_pgin(pg, pp, cookie)
pginfo = (DB_PGINFO *)cookie->data;
if (!pginfo->needswap)
return (0);
- return (pg == PGNO_METADATA ? __bam_mswap(pp) : __db_pgin(pg, pp));
+ return (pg == PGNO_METADATA ?
+ __bam_mswap(pp) : __db_pgin(pg, pginfo->db_pagesize, pp));
}
+/*
+ * __bam_pgout --
+ * Convert host-specific page layout to the host-independent format
+ * stored on disk.
+ *
+ * PUBLIC: int __bam_pgout __P((db_pgno_t, void *, DBT *));
+ */
int
__bam_pgout(pg, pp, cookie)
db_pgno_t pg;
@@ -53,7 +60,8 @@ __bam_pgout(pg, pp, cookie)
pginfo = (DB_PGINFO *)cookie->data;
if (!pginfo->needswap)
return (0);
- return (pg == PGNO_METADATA ? __bam_mswap(pp) : __db_pgout(pg, pp));
+ return (pg == PGNO_METADATA ?
+ __bam_mswap(pp) : __db_pgout(pg, pginfo->db_pagesize, pp));
}
/*
diff --git a/db2/btree/bt_cursor.c b/db2/btree/bt_cursor.c
index efae556030..a1266bcd3c 100644
--- a/db2/btree/bt_cursor.c
+++ b/db2/btree/bt_cursor.c
@@ -8,7 +8,7 @@
#include "config.h"
#ifndef lint
-static const char sccsid[] = "@(#)bt_cursor.c 10.27 (Sleepycat) 9/3/97";
+static const char sccsid[] = "@(#)bt_cursor.c 10.33 (Sleepycat) 9/24/97";
#endif /* not lint */
#ifndef NO_SYSTEM_INCLUDES
@@ -81,7 +81,10 @@ __bam_cursor(dbp, txn, dbcp)
dbc->c_get = __bam_c_get;
dbc->c_put = __bam_c_put;
- /* All cursor structures hang off the main DB structure. */
+ /*
+ * All cursors are queued from the master DB structure. Add the
+ * cursor to that queue.
+ */
DB_THREAD_LOCK(dbp);
TAILQ_INSERT_HEAD(&dbp->curs_queue, dbc, links);
DB_THREAD_UNLOCK(dbp);
@@ -99,31 +102,53 @@ __bam_c_close(dbc)
DBC *dbc;
{
DB *dbp;
- CURSOR *cp;
int ret;
DEBUG_LWRITE(dbc->dbp, dbc->txn, "bam_c_close", NULL, NULL, 0);
GETHANDLE(dbc->dbp, dbc->txn, &dbp, ret);
+
+ ret = __bam_c_iclose(dbp, dbc);
+
+ PUTHANDLE(dbp);
+ return (ret);
+}
+
+/*
+ * __bam_c_iclose --
+ * Close a single cursor -- internal version.
+ *
+ * PUBLIC: int __bam_c_iclose __P((DB *, DBC *));
+ */
+int
+__bam_c_iclose(dbp, dbc)
+ DB *dbp;
+ DBC *dbc;
+{
+ CURSOR *cp;
+ int ret;
+
cp = dbc->internal;
- /* If a cursor key was deleted do the actual deletion. */
- ret = F_ISSET(cp, C_DELETED) ? __bam_c_physdel(dbp, cp, NULL) : 0;
+ /* If a cursor key was deleted, perform the actual deletion. */
+ ret = F_ISSET(cp, C_DELETED) ? __bam_c_physdel(dbp, cp, NULL) : 0;
/* Discard any lock if we're not inside a transaction. */
- if (dbp->txn == NULL && cp->lock != LOCK_INVALID)
+ if (cp->lock != LOCK_INVALID)
(void)__BT_TLPUT(dbp, cp->lock);
- /* Remove the cursor from the queue. */
- DB_THREAD_LOCK(dbp);
- TAILQ_REMOVE(&dbp->curs_queue, dbc, links);
- DB_THREAD_UNLOCK(dbp);
+ /*
+ * All cursors are queued from the master DB structure. Remove the
+ * cursor from that queue.
+ */
+ DB_THREAD_LOCK(dbc->dbp);
+ TAILQ_REMOVE(&dbc->dbp->curs_queue, dbc, links);
+ DB_THREAD_UNLOCK(dbc->dbp);
/* Discard the structures. */
- FREE(cp, sizeof(CURSOR));
+ FREE(dbc->internal, sizeof(CURSOR));
FREE(dbc, sizeof(DBC));
- PUTHANDLE(dbp);
return (ret);
}
@@ -235,27 +260,22 @@ __bam_get(argdbp, txn, key, data, flags)
if ((ret = __db_getchk(argdbp, key, data, flags)) != 0)
return (ret);
- /* Build a cursor. */
+ /* Build an internal cursor. */
memset(&cp, 0, sizeof(cp));
cp.dbc = &dbc;
cp.pgno = cp.dpgno = PGNO_INVALID;
cp.lock = LOCK_INVALID;
+ cp.flags = C_INTERNAL;
+ /* Build an external cursor. */
memset(&dbc, 0, sizeof(dbc));
dbc.dbp = argdbp;
dbc.txn = txn;
dbc.internal = &cp;
/* Get the key. */
- if ((ret = __bam_c_get(&dbc,
- key, data, LF_ISSET(DB_SET_RECNO) ? DB_SET_RECNO : DB_SET)) != 0)
- return (ret);
-
- /* Discard any lock, the cursor didn't really exist. */
- if (cp.lock != LOCK_INVALID)
- (void)__BT_TLPUT(argdbp, cp.lock);
-
- return (0);
+ return(__bam_c_get(&dbc,
+ key, data, LF_ISSET(DB_SET_RECNO) ? DB_SET_RECNO : DB_SET));
}
/*
@@ -275,8 +295,7 @@ __bam_c_get(dbc, key, data, flags)
int exact, ret;
DEBUG_LREAD(dbc->dbp, dbc->txn, "bam_c_get",
- flags == DB_SET || flags == DB_SET_RANGE ? key : NULL,
- NULL, flags);
+ flags == DB_SET || flags == DB_SET_RANGE ? key : NULL, NULL, flags);
cp = dbc->internal;
@@ -399,6 +418,10 @@ __bam_c_get(dbc, key, data, flags)
/* Release the pinned page. */
ret = memp_fput(dbp->mpf, cp->page, 0);
+ /* Internal cursors don't hold locks. */
+ if (F_ISSET(cp, C_INTERNAL) && cp->lock != LOCK_INVALID)
+ (void)__BT_TLPUT(dbp, cp->lock);
+
++t->lstat.bt_get;
if (0) {
@@ -864,7 +887,7 @@ __bam_c_prev(dbp, cp)
* If at the beginning of the page, move to any previous one.
*
* !!!
- * This code handles empty pages and pages with only deleted entries.
+ * This code handles empty pages and pages with only deleted entries.
*/
for (;;) {
if (indx == 0) {
@@ -1472,8 +1495,7 @@ __bam_c_physdel(dbp, cp, h)
* empty the current page of duplicates, we don't need to
* touch the parent page.
*/
- if (PREV_PGNO(h) != PGNO_INVALID ||
- (h != NULL && pgno == h->pgno))
+ if (prev_pgno != PGNO_INVALID || (h != NULL && pgno == h->pgno))
goto done;
/*
diff --git a/db2/btree/bt_put.c b/db2/btree/bt_put.c
index 0f0b1e7126..af09f76d41 100644
--- a/db2/btree/bt_put.c
+++ b/db2/btree/bt_put.c
@@ -47,7 +47,7 @@
#include "config.h"
#ifndef lint
-static const char sccsid[] = "@(#)bt_put.c 10.24 (Sleepycat) 9/3/97";
+static const char sccsid[] = "@(#)bt_put.c 10.25 (Sleepycat) 9/17/97";
#endif /* not lint */
#ifndef NO_SYSTEM_INCLUDES
@@ -99,7 +99,7 @@ __bam_put(argdbp, txn, key, data, flags)
t = dbp->internal;
retry: /*
- * Find the location at which to insert. The call to bt_lookup()
+ * Find the location at which to insert. The call to __bam_lookup
* leaves the returned page pinned.
*/
if ((ret = __bam_lookup(dbp, key, &exact)) != 0) {
diff --git a/db2/btree/bt_rec.c b/db2/btree/bt_rec.c
index 07a3d93c74..9aeb395f27 100644
--- a/db2/btree/bt_rec.c
+++ b/db2/btree/bt_rec.c
@@ -8,7 +8,7 @@
#include "config.h"
#ifndef lint
-static const char sccsid[] = "@(#)bt_rec.c 10.13 (Sleepycat) 9/3/97";
+static const char sccsid[] = "@(#)bt_rec.c 10.14 (Sleepycat) 9/6/97";
#endif /* not lint */
#ifndef NO_SYSTEM_INCLUDES
@@ -298,11 +298,10 @@ __bam_split_recover(logp, dbtp, lsnp, redo, info)
goto done;
/* Allocate and initialize new left/right child pages. */
- if ((_lp = (PAGE *)malloc(file_dbp->pgsize)) == NULL)
- goto nomem;
- if ((_rp = (PAGE *)malloc(file_dbp->pgsize)) == NULL) {
-nomem: __set_errno(ENOMEM);
- __db_err(file_dbp->dbenv, "%s", strerror(errno));
+ if ((_lp = (PAGE *)malloc(file_dbp->pgsize)) == NULL ||
+ (_rp = (PAGE *)malloc(file_dbp->pgsize)) == NULL) {
+ ret = ENOMEM;
+ __db_err(file_dbp->dbenv, "%s", strerror(ret));
goto out;
}
if (rootsplit) {
@@ -668,7 +667,7 @@ __bam_cadjust_recover(logp, dbtp, lsnp, redo, info)
REC_INTRO(__bam_cadjust_read);
if ((ret = memp_fget(mpf, &argp->pgno, 0, &pagep)) != 0) {
- __set_errno(__db_pgerr(file_dbp, argp->pgno));
+ (void)__db_pgerr(file_dbp, argp->pgno);
pagep = NULL;
goto out;
}
diff --git a/db2/btree/bt_recno.c b/db2/btree/bt_recno.c
index 42ef9cc30d..f7c5cffdc6 100644
--- a/db2/btree/bt_recno.c
+++ b/db2/btree/bt_recno.c
@@ -8,7 +8,7 @@
#include "config.h"
#ifndef lint
-static const char sccsid[] = "@(#)bt_recno.c 10.15 (Sleepycat) 9/3/97";
+static const char sccsid[] = "@(#)bt_recno.c 10.19 (Sleepycat) 9/20/97";
#endif /* not lint */
#ifndef NO_SYSTEM_INCLUDES
@@ -76,7 +76,7 @@ __ram_open(dbp, type, dbinfo)
/* Allocate and initialize the private RECNO structure. */
if ((rp = (RECNO *)calloc(1, sizeof(*rp))) == NULL)
- return (errno);
+ return (ENOMEM);
if (dbinfo != NULL) {
/*
@@ -150,7 +150,7 @@ err: /* If we mmap'd a source file, discard it. */
/* If we allocated room for key/data return, discard it. */
t = dbp->internal;
- if (t->bt_rkey.data != NULL)
+ if (t != NULL && t->bt_rkey.data != NULL)
free(t->bt_rkey.data);
FREE(rp, sizeof(*rp));
@@ -193,7 +193,10 @@ __ram_cursor(dbp, txn, dbcp)
dbc->c_get = __ram_c_get;
dbc->c_put = __ram_c_put;
- /* All cursor structures hang off the main DB structure. */
+ /*
+ * All cursors are queued from the master DB structure. Add the
+ * cursor to that queue.
+ */
DB_THREAD_LOCK(dbp);
TAILQ_INSERT_HEAD(&dbp->curs_queue, dbc, links);
DB_THREAD_UNLOCK(dbp);
@@ -382,16 +385,29 @@ static int
__ram_c_close(dbc)
DBC *dbc;
{
- DB *dbp;
-
DEBUG_LWRITE(dbc->dbp, dbc->txn, "ram_c_close", NULL, NULL, 0);
- dbp = dbc->dbp;
+ return (__ram_c_iclose(dbc->dbp, dbc));
+}
- /* Remove the cursor from the queue. */
- DB_THREAD_LOCK(dbp);
- TAILQ_REMOVE(&dbp->curs_queue, dbc, links);
- DB_THREAD_UNLOCK(dbp);
+/*
+ * __ram_c_iclose --
+ * Close a single cursor -- internal version.
+ *
+ * PUBLIC: int __ram_c_iclose __P((DB *, DBC *));
+ */
+int
+__ram_c_iclose(dbp, dbc)
+ DB *dbp;
+ DBC *dbc;
+{
+ /*
+ * All cursors are queued from the master DB structure. Remove the
+ * cursor from that queue.
+ */
+ DB_THREAD_LOCK(dbc->dbp);
+ TAILQ_REMOVE(&dbc->dbp->curs_queue, dbc, links);
+ DB_THREAD_UNLOCK(dbc->dbp);
/* Discard the structures. */
FREE(dbc->internal, sizeof(RCURSOR));
diff --git a/db2/btree/btree.src b/db2/btree/btree.src
index 50cc0dd0ff..7c8c4b125f 100644
--- a/db2/btree/btree.src
+++ b/db2/btree/btree.src
@@ -8,7 +8,7 @@
#include "config.h"
#ifndef lint
-static const char sccsid[] = "@(#)btree.src 10.3 (Sleepycat) 8/17/97";
+static const char sccsid[] = "@(#)btree.src 10.4 (Sleepycat) 8/27/97";
#endif /* not lint */
PREFIX bam
@@ -88,7 +88,7 @@ END
/*
* BTREE-adj: used to log the adjustment of an index.
- *
+ *
* pgno: the page modified.
* lsn: the page's original lsn.
* indx: the index adjusted.
@@ -106,7 +106,7 @@ END
/*
* BTREE-cadjust: used to adjust the count change in an internal page.
- *
+ *
* pgno: the page modified.
* lsn: the page's original lsn.
* indx: the index to be adjusted.
@@ -124,7 +124,7 @@ END
/*
* BTREE-cdel: used to log the intent-to-delete of a cursor record.
- *
+ *
* pgno: the page modified.
* lsn: the page's original lsn.
* indx: the index to be deleted.
diff --git a/db2/btree/btree_auto.c b/db2/btree/btree_auto.c
index e6b72252e5..353ee7bc27 100644
--- a/db2/btree/btree_auto.c
+++ b/db2/btree/btree_auto.c
@@ -119,7 +119,7 @@ __bam_pg_alloc_print(notused1, dbtp, lsnp, notused3, notused4)
notused3 = 0;
notused4 = NULL;
- if((ret = __bam_pg_alloc_read(dbtp->data, &argp)) != 0)
+ if ((ret = __bam_pg_alloc_read(dbtp->data, &argp)) != 0)
return (ret);
printf("[%lu][%lu]bam_pg_alloc: rec: %lu txnid %lx prevlsn [%lu][%lu]\n",
(u_long)lsnp->file,
@@ -284,7 +284,7 @@ __bam_pg_free_print(notused1, dbtp, lsnp, notused3, notused4)
notused3 = 0;
notused4 = NULL;
- if((ret = __bam_pg_free_read(dbtp->data, &argp)) != 0)
+ if ((ret = __bam_pg_free_read(dbtp->data, &argp)) != 0)
return (ret);
printf("[%lu][%lu]bam_pg_free: rec: %lu txnid %lx prevlsn [%lu][%lu]\n",
(u_long)lsnp->file,
@@ -479,7 +479,7 @@ __bam_split_print(notused1, dbtp, lsnp, notused3, notused4)
notused3 = 0;
notused4 = NULL;
- if((ret = __bam_split_read(dbtp->data, &argp)) != 0)
+ if ((ret = __bam_split_read(dbtp->data, &argp)) != 0)
return (ret);
printf("[%lu][%lu]bam_split: rec: %lu txnid %lx prevlsn [%lu][%lu]\n",
(u_long)lsnp->file,
@@ -672,7 +672,7 @@ __bam_rsplit_print(notused1, dbtp, lsnp, notused3, notused4)
notused3 = 0;
notused4 = NULL;
- if((ret = __bam_rsplit_read(dbtp->data, &argp)) != 0)
+ if ((ret = __bam_rsplit_read(dbtp->data, &argp)) != 0)
return (ret);
printf("[%lu][%lu]bam_rsplit: rec: %lu txnid %lx prevlsn [%lu][%lu]\n",
(u_long)lsnp->file,
@@ -848,7 +848,7 @@ __bam_adj_print(notused1, dbtp, lsnp, notused3, notused4)
notused3 = 0;
notused4 = NULL;
- if((ret = __bam_adj_read(dbtp->data, &argp)) != 0)
+ if ((ret = __bam_adj_read(dbtp->data, &argp)) != 0)
return (ret);
printf("[%lu][%lu]bam_adj: rec: %lu txnid %lx prevlsn [%lu][%lu]\n",
(u_long)lsnp->file,
@@ -1007,7 +1007,7 @@ __bam_cadjust_print(notused1, dbtp, lsnp, notused3, notused4)
notused3 = 0;
notused4 = NULL;
- if((ret = __bam_cadjust_read(dbtp->data, &argp)) != 0)
+ if ((ret = __bam_cadjust_read(dbtp->data, &argp)) != 0)
return (ret);
printf("[%lu][%lu]bam_cadjust: rec: %lu txnid %lx prevlsn [%lu][%lu]\n",
(u_long)lsnp->file,
@@ -1157,7 +1157,7 @@ __bam_cdel_print(notused1, dbtp, lsnp, notused3, notused4)
notused3 = 0;
notused4 = NULL;
- if((ret = __bam_cdel_read(dbtp->data, &argp)) != 0)
+ if ((ret = __bam_cdel_read(dbtp->data, &argp)) != 0)
return (ret);
printf("[%lu][%lu]bam_cdel: rec: %lu txnid %lx prevlsn [%lu][%lu]\n",
(u_long)lsnp->file,
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 14:45:18 +0000